This is for a Gen IV system, it will not work.
Hi, I also have a 2001 LS430 with navigation. I just bought an updated DVD disk version 3.2 but I am having problems updating. When I put in this new disk, a message comes up on the navigation display saying" Read disk error. Check your disk". I made sure the new disk (v3.2) was clean but got this error message in all 3 tries. When I put in the old disk (v2000.1); everything worked fine just like before.
digital_b, could you please give me more information about what you said about required programming by the dealer? Did you have this done? How much did it cost you?
Any help/pointer from any forum user is greatly appreciated.
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